The word "Edulcorating" refers to the process of sweetening or making something less harsh or unpleasant. Its antonyms would be words like bitter, sour, acrid, harsh, unpalatable, unappetizing, pungent, tart, and tannic. Other antonyms could include words like worsening, exacerbating, aggravating, disharmonizing, unsettling, or unpleasant. In essence, any word that describes an opposite effect on the sweetness or pleasantness of something could be considered an antonym of "Edulcorating." It's important to note that while antonyms and synonyms can be useful for expanding vocabulary, a full understanding of the context and meaning of a word is vital to effectively use it in communication.